US2012220971A1PendingUtilityA1

Absorbent article

Assignee: HARADA HIROYUKIPriority: Sep 18, 2009Filed: Sep 17, 2010Published: Aug 30, 2012
Est. expirySep 18, 2029(~3.2 yrs left)· nominal 20-yr term from priority
A61F 13/51108A61F 2013/530934A61F 13/4704A61F 13/4756A61F 2013/15422A61F 13/472A61F 13/15A61F 13/539A61F 13/53
40
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Claims

Abstract

A compression region 50 includes a low compression region 53, in a plan view from a side of a skin contact portion. A density of the low compression region 53 is higher than that of a non-compression region 30 a of absorbent article 1. The low compression region 53 is provided with a high compression region 54. The high compression region 54 has a further increased density of the absorber 30. A contact portion 54 a of the high compression region 54 contacts with a contact portion 53 a of the low compression region 53.

Claims

exact text as granted — not AI-modified
1 . An absorbent article comprising:
 a topsheet of liquid-permeable having a skin contact surface brought in contact with a skin of a wearer;   a backsheet of liquid-impermeable; and   an absorber disposed between the topsheet and the backsheet, wherein:   the absorbent article is provided with a compression region in a channel form at a side of the skin contact portion, the compression region having an increased density with respect to at least the topsheet and the absorber by a compression process;   the compression region is provided with a high compression region having a further increased density; and   the high compression region has a contact portion in point-contact with a non-compression region not subject to compression, in a plan view of the absorbent article.   
     
     
         2 . The absorbent article according to  claim 1 , wherein:
 the high compression region is shaped in a quadrilateral in the plan view of the absorbent article; and   
       the contact portion is one vertex of the quadrilateral. 
     
     
         3 . The absorbent article according to  claim 1 , wherein:
 in the plan view of the absorbent article,   the compression region is formed in a longitudinal direction of the absorbent article;   
       a plurality of high compression regions are formed at predetermined intervals in the longitudinal direction of the absorbent article;
 the absorbent article further includes:
 a first group of the high compression regions having the contact portions in contact with one end side of the compression region in the channel form; and 
 a second group of the high compression regions having the contact portions in contact with the other end side of the compression region in the channel form; and 
 
 
       the first group of the high compression regions and the second group of the high compression regions are arranged in a staggered configuration. 
     
     
         4 . The absorbent article according to  claim 1 , wherein:
 in the plan view of the absorbent article,   the compression region is formed in the longitudinal direction of the absorbent article;   the plurality of high compression regions are formed at predetermined intervals in the longitudinal direction of the absorbent article;   the absorbent article further includes:
 a first group of the high compression regions having the contact portions in contact with one end side of the compression region in the channel form; 
 a second group of the high compression regions having the contact portions in contact with the other end side of the compression region in the channel form; and 
 a third group of the high compression regions formed between the first group of the high compression regions and the second group of the high compression regions; 
   
       the first group of the high compression regions and the third group of the high compression regions are arranged in a staggered configuration; and
 the second group of the high compression regions and the third group of the high compression regions are arranged in a staggered configuration. 
 
     
     
         5 . The absorbent article according to  claim 1  further comprising: 
       an absorbent sheet for absorbing fluid, wherein:
 the absorbent sheet is disposed between the absorber and the backsheet; and 
 
       only the topsheet is disposed at the side of the skin contact surface of the absorber.

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